Hybrid hydrogel for highly efficient solar generation of steam
US-2018327279-A1 · Nov 15, 2018 · US
by bringing a thin layer of the liquid into contact with a heated surface {(B01D1/065 takes precedence)}
by bringing a thin layer of the liquid into contact with a heated surface {(B01D1/065 takes precedence)} · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D1/22 |
| Official title | by bringing a thin layer of the liquid into contact with a heated surface {(B01D1/065 takes precedence)} |
| Display label | by bringing a thin layer of the liquid into contact with a heated surface {(B01D1/065 takes precedence)} |
| Total patents | 154 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 12 |
| 2017 | 20 |
| 2018 | 13 |
| 2019 | 10 |
| 2020 | 14 |
| 2021 | 20 |
| 2022 | 14 |
| 2023 | 12 |
| 2024 | 14 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nozzle/header design for polystyrene
US-10058794-B2 · Aug 28, 2018 · US
Evaporator
US-2018236430-A1 · Aug 23, 2018 · US
Process and systems for obtaining 1,4-butanediol from fermentation broths
US-2018237367-A1 · Aug 23, 2018 · US
Evaporator and fuel cell arrangement
US-2018238629-A1 · Aug 23, 2018 · US
Process for the isolation of reaction products from sugar alcohol or anhydrosugar alcohol hydrogenolysis reaction mixtures using simulated moving bed chromatography
US-10017439-B2 · Jul 10, 2018 · US
Evaporation-condensation systems and methods for their manufacture and use
US-10010811-B2 · Jul 3, 2018 · US
Mulitlevel distribution system for evaporator
US-2018172327-A1 · Jun 21, 2018 · US
Alkali metal salt of fluorosulfonyl imide, and production method therefor
US-9985317-B2 · May 29, 2018 · US
Process and system for producing fuel components
US-9926503-B2 · Mar 27, 2018 · US
Process and systems for obtaining 1,4-butanediol from fermentation broths
US-9873652-B2 · Jan 23, 2018 · US
Phosphonic acid catalyst in dehydrative cyclization of 5 and 6 carbon polyols with improved color and product accountability
US-9856195-B2 · Jan 2, 2018 · US
Process for the production of solid saccharides from an aqueous saccharide solution
US-2017369956-A1 · Dec 28, 2017 · US
Water amount controlling method and desalination system
US-9822018-B2 · Nov 21, 2017 · US
Deacidification of fats and oils
US-9816047-B2 · Nov 14, 2017 · US
Process for the isolation of reaction products from sugar alcohol or anhydrosugar alcohol hydrogenolysis reaction mixtures using simulated moving bed chromatography
US-2017320800-A1 · Nov 9, 2017 · US
Nozzle/header design for polystyrene
US-2017282092-A1 · Oct 5, 2017 · US
Cyclohexasilane
US-9764961-B2 · Sep 19, 2017 · US
Process for the isolation of 1,2,5,6-hexanetetrol from sorbitol hydrogenolysis reaction mixtures using simulated moving bed chromatography
US-9732020-B2 · Aug 15, 2017 · US
Water Vapor Distillation Apparatus, Method and System
US-2017203975-A1 · Jul 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D1/22?
- CPC B01D1/22 is the Cooperative Patent Classification code for “by bringing a thin layer of the liquid into contact with a heated surface {(B01D1/065 takes precedence)}.”
- How many patents are filed under CPC B01D1/22 (by bringing a thin layer of the liquid into contact with a heated surface {(B01D1/065 takes precedence)})?
- Our database includes 154 publications tagged with this CPC code.
- Is patent activity under CPC B01D1/22 growing?
- Publication counts under this code: 14 in 2024 vs 7 in 2025 (latest complete years).